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Home >> Ford >> 2009 >> Flex Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1027 (Instrument Cluster System) >> Diagnostic Tests >> Instrument Cluster >> Pinpoint Tests >> Pinpoint Test D: The Tachometer Is Inoperative >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2007 Mercury Mariner and 2007 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

Engine RPM data is provided to the instrument cluster by the powertrain control module (PCM) through the communication network.

Possible Causes

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